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Acetazolamide Side Effects Center
Medical Editor: John P. Cunha, DO, FACOEP
Acetazolamide (Brand Name: Diamox) is used to prevent and reduce the symptoms of altitude sickness. It is also used with other medications to treat a certain type of eye problem (open-angle glaucoma). Acetazolamide is a "water pill" (diuretic). This medication is available in generic form. Common side effects include dizziness, lightheadedness, and an increased amount of urine, especially during the first few days as your body adjusts to the medication. Blurred vision, dry mouth, drowsiness, loss of appetite, stomach upset, headache and tiredness may also occur.
Dosage of Acetazolamide depends on the condition being treated and the patient's response. Acetazolamide may interact with cisapride, methenamine, anticonvulsants, other diuretics, cyclosporine, digoxin, drugs for diabetes, drugs that cause loss of potassium, lithium, memantine, procainamide, quinidine, aspirin and other salicylates, sodium bicarbonate, stimulants, or tricyclic antidepressants. Tell your doctor all medications you are taking. Acetazolamide should be used during pregnancy only if prescribed. This medication passes into breast milk but is unlikely to harm a nursing infant. Consult your doctor before breast-feeding.
Our Acetazolamide (Brand Name: Diamox) Side Effects Drug Center provides a comprehensive view of available drug information on the potential side effects when taking this medication.
This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.
What is Prescribing information?
The FDA package insert formatted in easy-to-find categories for health professionals and clinicians.
Acetazolamide FDA Prescribing Information: Side Effects
Adverse reactions, occurring most often early in therapy, include paresthesias, particularly a “tingling” feeling in the extremities, hearing dysfunction or tinnitus, loss of appetite, taste alteration and gastrointestinal disturbances such as nausea, vomiting and diarrhea; polyuria, and occasional instances of drowsiness and confusion.
Metabolic acidosis and electrolyte imbalance may occur.
Transient myopia has been reported. This condition invariably subsides upon diminution or discontinuance of the medication.
Other occasional adverse reactions include urticaria, melena, hematuria, glycosuria, hepatic insufficiency, flaccid paralysis, photosensitivity and convulsions. Also see PRECAUTIONS: Information for Patients for possible reactions common to sulfonamide derivatives. Fatalities have occurred although rarely, due to severe reactions to sulfonamides including Stevens-Johnson syndrome, toxic epidermal necrolysis, fulminant hepatic necrosis, agranulocytosis, aplastic anemia and other blood dyscrasias (see WARNINGS).
Read the entire FDA prescribing information for Acetazolamide (Acetazolamide Tablets) »
Additional Acetazolamide Tablets Information
Report Problems to the Food and Drug Administration
You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.
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